When to plant, by county
Seed-start, transplant, and harvest dates estimated from your county's average frost dates.
| Crop | Start indoors | Plant outside | Est. harvest |
|---|---|---|---|
| Onion Start seeds very early indoors. Patterson stores 10-12+ months. | Mar 21 | May 9 | Aug 17 |
| Crop | Start indoors | Plant outside | Est. harvest |
|---|---|---|---|
| Peas Direct sow as soon as soil is workable; handles light spring frosts. | — | Apr 25 | Jun 24 |
| Spinach Cold-hardy; great for continuous early cuts before heat sets in. | — | Apr 25 | Jun 9 |
| Radishes 25-30 day turnaround; good for fast row intercropping. | — | Apr 25 | May 23 |
| Lettuce Direct sow or start plugs; harvest outer leaves continuously. | — | May 2 | Jun 16 |
| Kale Exceptionally frost-tolerant; sweetens with fall frost. | — | May 2 | Jun 26 |
| Swiss Chard Extremely productive spring through hard frost; cut-and-come-again. | — | May 16 | Jul 10 |
| Crop | Start indoors | Plant outside | Est. harvest |
|---|---|---|---|
| Broccoli Reliable spring-to-summer transition crop. | Apr 11 | May 9 | Jul 8 |
| Cauliflower Mulch well to keep roots cool and prevent early buttoning. | Apr 11 | May 16 | Jul 15 |
| Crop | Start indoors | Plant outside | Est. harvest |
|---|---|---|---|
| Carrots Storage types (Bolero, Bangor) need loose, well-draining soil. | — | May 9 | Jul 18 |
| Beets Thinnings make tender salad greens. | — | May 9 | Jul 11 |
| Potatoes Plant seed pieces 4in deep; hill soil as green growth rises. | — | May 9 | Aug 7 |
| Crop | Start indoors | Plant outside | Est. harvest |
|---|---|---|---|
| Tomato Slicers/heirlooms — sturdy cages or trellises required. | Apr 11 | Jun 13 | Aug 22 |
| Cherry Tomato Sun Gold and Juliet are high-yield, crack-resistant standards. | Apr 11 | Jun 13 | Aug 9 |
| Paste Tomato Dense flesh for sauces; San Marzano and Roma VF yield heavily. | Apr 11 | Jun 13 | Aug 26 |
| Pepper Excel in containers, on blacktop, or 2 per cage for warmth/shade. | Mar 28 | Jun 13 | Aug 19 |
| Eggplant Use bottom heat mats for germination. | Mar 28 | Jun 13 | Aug 22 |
| Crop | Start indoors | Plant outside | Est. harvest |
|---|---|---|---|
| Bush Beans Sow once soil is reliably warm (60°F+). | — | Jun 13 | Aug 7 |
| Pole Beans Trellis 6-8ft; heavy producers until first hard frost. | — | Jun 13 | Aug 14 |
| Sweet Corn Plant in blocks (min. 4x4 grid), not single rows, for pollination. | — | Jun 13 | Aug 30 |
| Crop | Start indoors | Plant outside | Est. harvest |
|---|---|---|---|
| Cucumber Trellis vines for straight, clean fruit. | — | Jun 13 | Aug 4 |
| Summer Squash Choose PM-resistant types (Green Machine) to avoid late mildew. | — | Jun 13 | Jul 23 |
| Crop | Start indoors | Plant outside | Est. harvest |
|---|---|---|---|
| Winter Squash Butterbush is compact and quick-ripening; cure in sun before storage. | May 9 | Jun 13 | Sep 26cutting it close |
| Pie Pumpkin New England Pie and Sugar Baby bred for dense, non-stringy flesh. | May 16 | Jun 13 | Oct 10cutting it close |
| Carving Pumpkin Needs 50-100 sq ft per hill. | May 16 | Jun 13 | Oct 15cutting it close |
| Gourds Long season (100+ days); harvest after first light frost and cure indoors. | May 16 | Jun 13 | Oct 20cutting it close |
| Crop | Start indoors | Plant outside | Est. harvest |
|---|---|---|---|
| Cantaloupe Plant into black plastic mulch/fabric to raise root temps 5-10°F. | — | Jun 20 | Sep 9cutting it close |
| Watermelon Blacktail Mountain is bred for cold nights and short summers. | — | Jun 20 | Sep 14cutting it close |
| Honeydew Earli-Dew matures 2-3 weeks faster than standard honeydew. | — | Jun 20 | Sep 19cutting it close |
Garlic isn't listed here — it's planted in fall for a next-summer harvest, so it doesn't fit a last-frost-based calculator. See the Grow Guide for garlic planting notes.